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Transcript of Science Prezi
power is always measured in watts the formula for power is work divided by time P=W/t Mechanical Advantage MA=output F/input F mechanical advantage is the ratio of the force produced by a machine to the force applied to it (the ratio of the output force compared the input force) Mechanical Advantage allows machines to do more work with less effort the formula is the output force divided by the input force efficiency is often expressed in a percentage E=W output/ W input x 100 the formula for efficiency is the work input divided by the work output multiplied by 100 THE END!